> On Jul 30, 2016, at 18:16, Ryan Schmidt <ryandes...@macports.org> wrote: > > >> On Jul 30, 2016, at 7:58 AM, [ftp83plus] wrote: >> >>> El 29 jul 2016, a las 16:45, Lawrence Velázquez escribió: >>> >>>> On Jul 29, 2016, at 1:35 AM, Ken Cunningham wrote: >>>> >>>>> /opt/local/bin/clang++-mp-3.3 -pipe -Os -stdlib=libc++ -arch i386 >>>>> -mmacosx-version-min=10.6 -Wl,-search_paths_first >>>>> -Wl,-headerpad_max_install_names -L/opt/local/lib >>>>> -Wl,-headerpad_max_install_names >>>>> CMakeFiles/cmTC_70577.dir/testCXXCompiler.cxx.o -o cmTC_70577 >>>>> ld: warning: ignoring file /usr/lib/libc++.dylib, file was built for >>>>> unsupported file format ( 0xcf 0xfa 0xed 0xfe 0x 7 0x 0 0x 0 0x 1 0x 3 0x >>>>> 0 0x 0 0x 0 0x 6 0x 0 0x 0 0x 0 ) which is not the architecture being >>>>> linked (i386): /usr/lib/libc++.dylib >>>> >>>> You're building for -arch i386, but your libc++.dylib does not have >>>> that architecture (it's likely going to be x64_86) -- So somewhere >>>> ( probably in your macports.conf file, I would think) your >>>> architecture is not set correctly. >>> >>> The libomp port is being installed +universal. Since it uses the >>> muniversal-1.0 portgroup, MacPorts builds it for each architecture >>> separately, then lipo(1)s everything together at the end. >>> >>> The problem is that the i386 build is trying to link to libc++, which in >>> your case appears to be provided by libcxx. But libomp does not declare a >>> dependency on libcxx, so MacPorts did not attempt to rebuild libcxx >>> +universal. You may have to do this yourself. >>> >>> vq >> >> So should I rebuild libcxx +universal variant first before performing Step 4 >> of the LibcxxOnOlderSystems? > > Jeremy, shouldn't we modify the LibcxxOnOlderSystems instructions to include > installing libcxx +universal?
Something like this should work: sudo port -v -s upgrade --enforce-variants libcxx +universal universal_archs="x86_64 i386" configure.compiler=macports-clang-3.8 or: sudo port -v -s upgrade --enforce-variants ld64 +ld64_127 sudo port -v -s upgrade --enforce-variants libcxx +universal universal_archs="x86_64 i386 ppc" configure.compiler=macports-clang-3.8 I've updated the wiki as well.
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